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//
// Novell.Directory.Ldap.Extensions.GetEffectivePrivilegesResponse.cs
//
// Author:
//   Arpit Rastogi (Rarpit@novell.com)
//
// (C) 2009 Novell, Inc (http://www.novell.com)
//

using System;
using System.IO;
using Novell.Directory.Ldap;
using Novell.Directory.Ldap.Asn1;
using Novell.Directory.Ldap.Utilclass;
using Novell.Directory.Ldap.Rfc2251;

namespace Novell.Directory.Ldap.Extensions
{
	public class GetEffectivePrivilegesListRequest:LdapExtendedOperation 
	{
		/// <summary> 
		/// Returns the effective rights of one object to a list of attributes of another object.
		/// 
		/// To use this class, you must instantiate an object of this class and then
		/// call the extendedOperation method with this object as the required
		/// LdapExtendedOperation parameter.
		/// 
		/// The returned LdapExtendedResponse object can then be converted to
		/// a GetEffectivePrivilegesListResponse object with the ExtendedResponseFactory class.
		/// The GetEffectivePrivilegesListResponse class  contains methods for
		/// retrieving the list of effective rights.
		/// 
		/// The getEffectivePrivilegesRequest extension uses the following OID:
		/// 2.16.840.1.113719.1.27.100.103
		/// 
		/// The requestValue has the following format:
		/// 
		/// requestValue ::=
		///   dn         LdapDN
		///   trusteeDN  LdapDN
		///   SEQUENCE of attrNames   LdapDN 
		/// </summary>
		static GetEffectivePrivilegesListRequest()
		{
			try 
			{
				LdapExtendedResponse.register(ReplicationConstants.GET_EFFECTIVE_LIST_PRIVILEGES_RES,System.Type.GetType("Novell.Directory.Ldap.Extensions.GetEffectivePrivilegesListResponse"));
			}
			catch (System.Exception)
			{
				System.Console.Error.WriteLine("Could not register Extended Response -" + " Class not found");
			}
	        
		}
		
		/// <summary> Constructs an extended operation object for checking effective rights.
		/// 
		/// </summary>
		/// <param name="dn">       The distinguished name of the entry whose attribute is
		/// being checked.
		/// 
		/// </param>
		/// <param name="trusteeDN">The distinguished name of the entry whose trustee rights
		/// are being returned
		/// 
		/// </param>
		/// <param name={"attr1","attr2",...,null}> The Ldap attribute names list.
		/// 
		/// </param>
		/// <exception> LdapException A general exception which includes an error
		/// message and an Ldap error code.
		/// </exception>
		
		public GetEffectivePrivilegesListRequest(System.String dn, System.String trusteeDN, System.String[] attrName):base(ReplicationConstants.GET_EFFECTIVE_LIST_PRIVILEGES_REQ, null)
		{

			try 
			{
				if ( ((System.Object)dn == null) )
					throw new System.ArgumentException(ExceptionMessages.PARAM_ERROR);

				System.IO.MemoryStream encodedData = new System.IO.MemoryStream();
				LBEREncoder encoder  = new LBEREncoder();

				Asn1OctetString asn1_trusteeDN = new Asn1OctetString(trusteeDN);
				Asn1OctetString  asn1_dn = new Asn1OctetString(dn);
				asn1_trusteeDN.encode(encoder, encodedData);
				asn1_dn.encode(encoder, encodedData);
				
				Asn1Sequence asn1_seqattr = new Asn1Sequence();
				for (int i = 0;attrName[i]!= null ; i++)
				{
					Asn1OctetString asn1_attrName = new Asn1OctetString(attrName[i]);
					asn1_seqattr.add(asn1_attrName);
				}
				asn1_seqattr.encode(encoder, encodedData);
				setValue(SupportClass.ToSByteArray(encodedData.ToArray()));

			}
			catch(System.IO.IOException)
			{
				throw new LdapException(ExceptionMessages.ENCODING_ERROR, LdapException.ENCODING_ERROR, (System.String) null);
			}
		}
	}
}
